Looking to contribute something to Hammer.js? **Here's how you can help.**
## Reporting issues
We only accept issues that are bug reports or feature requests. Bugs must be isolated and reproducible problems that can be fixed within the Hammer.js. Please read the following guidelines before opening any issue.
1.**Search for existing issues.** We get a lot of duplicate issues, and you'd help us out a lot by first checking if someone else has reported the same issue. Moreover, the issue may have already been resolved with a fix available. Also take a look if your problem is explained at the Wiki.
2.**Create an isolated and reproducible test case.** Be sure the problem exists in Hammer's code with a reduced test case that should be included in each bug report.
3.**Include a live example.** Make use of jsFiddle or jsBin to share your isolated test cases.
4.**Share as much information as possible.** Include operating system and version, browser and version, version of Hammer.js, customized or vanilla build, etc. where appropriate. Also include steps to reproduce the bug.
## Pull requests
- Changes must be done in `/src` files, never just the compiled files
- Try not to pollute your pull request with unintended changes--keep them simple and small
- Try to share which browsers your code has been tested in before submitting a pull request
- Try and write tests for your code, these can be found in `/tests`
'elements':options.elements||'abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time video',
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* QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) == "the quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"